Compositae Working Group (CWG) (2021). Global Compositae Database. Carduus spinosissimus var. elliottii (Torr. & A.Gray) Porter. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1225058 on 2025-03-18
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Cirsium horridulum Michx. var. elliottii Torr. & A.Gray [IPNI] [details] Contributed data: Full Name Data only shown for fields conflicting with the consensus taxon record Carduus spinosissimus Walter var. elliottii (Torr. & A.Gray) Porter [IPNI] [details] LSID urn:lsid:compositae.org:names:85B26201-2CF1-4AF8-A840-0AFBB190AD3C [details]